Disgusting, revolting, ugly, rank, or vile.
JG: Slal did u see that chick at the dance?
Slal: Yeah gross she was nappy as hell!
by slalz December 06, 2009
The most outrageous and extraordinary point of intoxication.
Nappyness is usually accomplished around 10:17pm. You may receive indescribable feelings after truely reaching the maximum state of nappyness, as if you just spent a whole day inside biggie smalls pants. The stages of nappyness can be alarming and somewhat scary to a beginner nappyhead. Just embrace the nappyness and dont try to fight it.
After snorting bars, drinking alcohol, and smoking bud, the young female showed signs of nappyness. There was absolutely no turning back at that point, she was going to have the best night of her life.
by Nappyheadz March 29, 2011
1. (Noun) Someone with excessively frizzy or curly hair. They often get self-concious of there nappiness and call the kid that sits behind them nappy even though he keeps his hair under control. Occasionally they will also get jealous of his shoes and go buy a pair for themselves. But, he cant blame her because he does have some pretty nifty kicks.

2. (Noun) Brittish term for diaper.
1. Ashley was self-concious of her borderline-dreadlocks so she nicknamed Michael "nappy" and stole his shoes.

2. Ashley was never potty-trained and still wears a nappy.
by NotMichael August 27, 2009
nasty, gross, disgusting. Opposite of cute.
Example 1: After working out Anna was sweaty and looked very nappy.

Example 2: Dang, she looks nappy!!
by jaymmers April 18, 2013
An adjective used for describing how gross, unkempt, unclean, or how disheveled a person is.
Hayden is looking especially nappy today; he hasn't showered for 3 weeks!
by Butch #2 January 24, 2012
Nappy is a word usually used to me nasty or disgusting
Dude, that fart was so nappy
by uglybuddy6 June 13, 2011
Nappy is essentially a mix between the words "nasty" and "crappy". It it used to describe anything that would disgust the user of the word.
Guy 1: Ugh, dude, did you fart?
*Guy 2 giggles*
Guy 1: Dude, that's nappy!

Guy 1: There's a bone in my McChicken...
Guy 2: Nappy, dude... We're goin' back.
by GrahammyBear September 19, 2010

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